Forward Citations = 27

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7 inventors (with patents filed for the assignee):

Zhengliang L Wu (2 out of 7 patents)

Alan M Johnson (2 out of 6 patents)

Ralph T Francis (2 out of 3 patents)

4. John M Smith (1 out of 1 patent)

5. John E Humphrey (1 out of 1 patent)

6. James A Weatherbee (1 out of 1 patent)

7. Monica L Tsang (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 9096888 - Sulfotransferase assay (2015-08-04),

2. 8815529 - Sulfotransferase assay (2014-08-26),

3. 5945340 - Reticulocyte assay control (1999-08-31),

4. 5736402 - Reticulocyte assay control (1998-04-07),

5. 5627033 - Mammalian expression vectors (1997-05-06),

Company Overview

Research & Diagnostics Systems, Inc. is a leading provider of innovative products and services in the fields of research and diagnostics. With a focus on delivering high-quality solutions for life sciences, pharmaceutical, and biotechnology industries, RDS offers a wide range of products including antibodies, enzymes, assay kits, and more. The company's commitment to excellence and customer satisfaction sets them apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#310 in Minneapolis, MN

#1,421 in Minnesota

#51,620 in US

Minneapolis, MN, United States of America

Research & Diagnostics Systems, Inc.

Forward Citations = 27

7 inventors:

Zhengliang L Wu (2 out of 7 patents)

Alan M Johnson (2 out of 6 patents)

Ralph T Francis (2 out of 3 patents)

4. John M Smith (1 out of 1 patent)

5. John E Humphrey (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Research & Diagnostics Systems, Inc.. Retrieved from https://idiyas.com/company/research-and-diagnostics-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]